In the first or second chapter, the shopskeeper's daughter timidly works the counter. upon speaking with her, she will request a doll; this begins the sidequest. The first can be found in one of the characters rooms at Sweet Home. After bringing the first doll to her, speak with her father, who will say something to the fact of the doll helping his daughters shyness. Then find more, bring back, repeat...

In the first or second chapter, the shopskeeper's daughter timidly works the counter. upon speaking with her, she will request a doll; this begins the sidequest. The first can be found in one of the characters rooms at Sweet Home. After bringing the first doll to her, speak with her father, who will say something to the fact of the doll helping his daughters shyness. Then find more, bring back, repeat...

This is actually incorrect.

It's the shop owner, and consequently, the girl's grandfather who asks for this. He can be found during the day, outside the weapon store in Chapter 2.